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Breastfeeding and the risk of childhood obesity

Alan S Ryan1

  • 1Ross Products Division, Abbott Laboratories, Columbus, OH, USA. alryan@martekbio.com

Collegium Antropologicum
|June 30, 2007
PubMed

Insights

While breastfeeding may offer some protection against childhood obesity, the evidence is not conclusive. Many factors contribute to maintaining a healthy weight, not just infant nutrition.

Area of Science:

  • Pediatrics
  • Public Health
  • Nutrition Science

Background:

  • Breastfeeding is frequently proposed as a strategy for preventing childhood obesity.
  • However, existing scientific evidence supporting this link remains inconclusive and debated.

Purpose of the Study:

  • To systematically review the scientific literature on the relationship between breastfeeding and the risk of childhood overweight and obesity.
  • To evaluate the consistency and strength of evidence regarding breastfeeding's protective effects against obesity.

Main Methods:

  • A comprehensive literature review was conducted, analyzing fourteen studies published between 2003 and 2006.
  • Studies examined the association between breastfeeding duration and the risk of overweight and obesity in children.

Main Results:

  • The review found mixed results: 3 studies indicated a protective effect, 4 showed a partial effect, and 6 found no significant protective association.
  • One study reported a protective effect in children but not in adults, highlighting varied outcomes.
  • Despite rising breastfeeding rates in the U.S., childhood obesity rates have concurrently increased, suggesting multifactorial causes.

Conclusions:

  • Breastfeeding may play a role in preventing childhood obesity, but it is not a sole determinant.
  • The complex etiology of obesity necessitates a multifactorial approach to prevention, beyond infant feeding practices.
  • Further research is needed to clarify the nuanced relationship between breastfeeding and long-term weight management.

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